S4 Deja Vu SunglassesDescription: The Deja Vu from S4 Optics is all about retro-chic and says it with a modern twist on the classic cat-eye. The frame is hand-built with zyl-acetate frame material. The Technoclear lens is built from CR-39 plastic which provides the ultimate in optical clarity and scratch resistance. Be the talk of the party with your Deja Vu's, everyone will ask you where you got 'em. Includes a microfiber pouch, that doubles as a lens cleaning cloth.Key Features of the S4 Deja Vu Sunglasses: Zyl-Acetate Frame - ""Handmade"" CR-39 Lens 100% UV Protection Comfort Fit Frame Geometry Limited Lifetime Warranty